Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA/CLq8MFIrcM/UF5DyYERB0FDPMaOesvILFdMhaTMzR2L2V+wxqu7eNOyA… (1,748 chars)"
  }
}